CVE-2025-8546

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Source

https://cve.org/CVERecord?id=CVE-2025-8546

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8546.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-8546

Published

2025-08-05T05:02:06.125Z

Modified

2026-07-22T00:05:52.560916Z

Severity

5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

atjiu pybbs Verification Code login Captcha

Details

A vulnerability, which was classified as problematic, was found in atjiu pybbs up to 6.0.0. This affects the function adminlogin/login of the component Verification Code Handler. The manipulation leads to guessable captcha. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The patch is named ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf. It is recommended to apply a patch to fix this issue.

Database specific

{
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8546.json",
    "cwe_ids": [
        "CWE-287",
        "CWE-804"
    ]
}

References

Affected packages

Git / github.com/atjiu/pybbs

Affected ranges

Type

GIT

Repo

https://github.com/atjiu/pybbs

Events

Introduced

2a3e67f463b0582611a1241ecb172bd28cefc516

Fixed

ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf

Database specific

{
    "extracted_events": [
        {
            "introduced": "6.0"
        },
        {
            "last_affected": "6.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

6.*

6.0

v6.*

v6.0.0

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 785.0,
            "function_hash": "276743334007744017902053742324071721802"
        },
        "id": "CVE-2025-8546-14b70833",
        "signature_type": "Function",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "function": "mobile_login",
            "file": "src/main/java/co/yiiu/pybbs/controller/api/IndexApiController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 710.0,
            "function_hash": "135191518287035039097528222664422836116"
        },
        "id": "CVE-2025-8546-299b1c67",
        "signature_type": "Function",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "function": "login",
            "file": "src/main/java/co/yiiu/pybbs/controller/api/IndexApiController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 551.0,
            "function_hash": "46327806450676146831567952480689153304"
        },
        "id": "CVE-2025-8546-49b8b211",
        "signature_type": "Function",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "function": "sms_code",
            "file": "src/main/java/co/yiiu/pybbs/controller/api/IndexApiController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "126527644860276446337381431592199952523",
                "273332153779206055292416274820885089374",
                "38012844428037570167033565766038827976",
                "191450388573280106713810687221831097816"
            ]
        },
        "id": "CVE-2025-8546-5aa743a6",
        "signature_type": "Line",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "file": "src/main/java/co/yiiu/pybbs/controller/admin/IndexAdminController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 1241.0,
            "function_hash": "60251454109088619925195501129293701462"
        },
        "id": "CVE-2025-8546-6aba916d",
        "signature_type": "Function",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "function": "adminlogin",
            "file": "src/main/java/co/yiiu/pybbs/controller/admin/IndexAdminController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "328445987428086373017268624733112158001",
                "109784412480779051337101059306053359340",
                "241183476973406150198480825181775737780",
                "86925429786499811427571154861111471647",
                "226278739576943100060488722188727408412",
                "37254563766456208976450029161654515289",
                "241183476973406150198480825181775737780",
                "86925429786499811427571154861111471647",
                "337918087967121183035039124740189262223",
                "276414785252259904576030703926613690877",
                "330933201389344601391100972082813697836",
                "176031941788024583912373069464867901678",
                "121223203452740804777616182453163328966",
                "260888233190188414777836060477734171937",
                "241183476973406150198480825181775737780",
                "176031941788024583912373069464867901678"
            ]
        },
        "id": "CVE-2025-8546-9ee7cb75",
        "signature_type": "Line",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "file": "src/main/java/co/yiiu/pybbs/controller/api/IndexApiController.java"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 1090.0,
            "function_hash": "67677807524966652656517846223949961432"
        },
        "id": "CVE-2025-8546-e0326531",
        "signature_type": "Function",
        "source": "https://github.com/atjiu/pybbs/commit/ecaf8d46944fd03e3c4ea05698f8acf0aaa570cf",
        "target": {
            "function": "register",
            "file": "src/main/java/co/yiiu/pybbs/controller/api/IndexApiController.java"
        }
    }
]

vanir_signatures_modified

"2026-07-22T00:05:52Z"

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8546.json"